CN104926330A - Furnace jacket wave-absorbing material and manufacturing method thereof - Google Patents
Furnace jacket wave-absorbing material and manufacturing method thereof Download PDFInfo
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- CN104926330A CN104926330A CN201510334952.1A CN201510334952A CN104926330A CN 104926330 A CN104926330 A CN 104926330A CN 201510334952 A CN201510334952 A CN 201510334952A CN 104926330 A CN104926330 A CN 104926330A
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Abstract
The invention provides a furnace jacket wave-absorbing material and a manufacturing method thereof. The furnace jacket wave-absorbing material is high in temperature rise speed and good in stability. The furnace jacket wave-absorbing material comprises, by weight, 50%-90% of SiC, and further comprises, by weight, three or more of 1%-5% of Al2O3, 1%-6% of ZrO2, 3%-10% of Si3N4, 5%-15% of FeO, 1%-6% of HfO2, 1%-6% of silicon dioxide, 1%-5% of Y2O3 and 2%-5% of La2O3. By means of the furnace jacket wave-absorbing material and the manufacturing method of the furnace jacket wave-absorbing material, the production efficiency is high, the high-temperature resistance of the material is good, the quiet high wave-absorbing performance is achieved, the temperature rise speed is high, the inducing coupling reaction is rapid, the temperature is even, and the stability is good.
Description
Technical field
The present invention relates to a kind of heating material and method for making thereof, especially a kind of boiler clothing absorbing material and method for making thereof.
Background technology
In dielectric material, metallic substance can not absorb microwave and other organic compound, and oxide compound heats up and do not heat up very slowly or substantially in microwave field, hinders the application of microwave sintering heat power engineering in these industries.But have numerous investigator to do a large amount of research work in the auxiliary hot material of this microwave suction wave height temperature, but DeGrain, auxiliary hot material non-uniform temperature, heat-up rate is slow, energy consumption is high, and industrial equipments cannot be constructed and do not reached the object of the auxiliary heat intensification of quick coupling.
Prior art adopts the mode of experiment, auxiliary hot material is adopted sinter not absorbing material to bantam, auxiliary hot material is that the silicon carbide that solid sheet is as high in purity does auxiliary heat, temperature field is uneven, and temperature difficulty controls, and heats up slow, auxiliary hot material incorporeity is difficult to processing, expensive, not absorbing material is sintered to industrialized microwave and, without any effect, just prevents the development of microwave high-temperature thermal technology industry.
Summary of the invention
The invention provides a kind ofly to heat up rapidly, the boiler clothing absorbing material of good stability and method for making thereof.
Realize the boiler clothing absorbing material of one of the object of the invention, comprise silicon carbide (SiC) 50-90wt%, also comprise aluminum oxide (Al2O3) 1-5wt%, zirconium white (ZrO2) 1-6wt%, silicon nitride (Si3N4) 3-10wt%, ferric oxide (FeO) 5-15wt%, hafnium oxide (HfO2) 1-6wt%, silica 1-6wt% (yttrium oxide (Y2O3) 1-5wt%, the three kinds or more in lanthanum sesquioxide (La2O3) 2-5wt%.
Described boiler clothing absorbing material also comprises high temperature glue, surplus.
Realize the method for making of the boiler clothing absorbing material of the object of the invention two, comprise the steps:
(1) by silicon carbide (SiC) 50-90wt%, and aluminum oxide (Al2O3) 1-5wt%, zirconium white (ZrO2) 1-6wt%, silicon nitride (Si3N4) 3-10wt%, ferric oxide (FeO) 5-15wt%, hafnium oxide (HfO2) 1-6wt%, silica 1-6wt% (yttrium oxide (Y2O3) 1-5wt%, three kinds or more in lanthanum sesquioxide (La2O3) 2-5wt%, become solid-liquid mixture with high temperature glue Homogeneous phase mixing by mixing machine high-speed mixing again, place for some time in atmosphere;
(2) with hairbrush or spray gun, solid-liquid mixture is sprayed on ready-made thermal-insulating structure internal skin or structure of refractory surface layer, carries out dry solidification;
(3) material after having solidified is presintering boiler clothing absorbing material under microwave action, inner absorbing material is come unstuck and strengthens performance process.
In described step (1), storage period is 1 ~ 3 hour in atmosphere.
The dry solidification time of described step (2) is 12 ~ 24 hours.
Spray layer thickness in described step (2) is 2 ~ 10mm.
The beneficial effect of boiler clothing absorbing material of the present invention and method for making thereof is as follows:
Boiler clothing absorbing material of the present invention and method for making thereof, production efficiency is high, and material resistance to elevated temperatures is good, has very strong absorbing property, heats up rapidly, and induction coupling reaction is fast, homogeneous temperature, good stability.
Embodiment
Embodiment 1:
By raw material powder according to weight percent such as silicon carbide (SiC) 65wt%, aluminum oxide (Al2O3) 5wt%, zirconium white (ZrO2) 6wt%, silicon nitride (Si3N4) 8wt%, ferric oxide (FeO) 10wt%, hafnium oxide (HfO2) 3wt%, silica 1-6wt%, yttrium oxide (Y2O3) 1wt%, lanthanum sesquioxide (La2O3) 2wt% becomes solid-liquid mixture with high temperature glue Homogeneous phase mixing by mixing machine high-speed mixing, place 2 hours in atmosphere, by ready-made thermal-insulating structure or flame-retardant structure, then with hairbrush, solid-liquid mixture is sprayed on structure of refractory surface layer, thickness is that 5mm carries out 12 hours dry solidifications, material after having solidified is presintering boiler clothing material under microwave action, inner absorbing material is come unstuck and strengthens performance process, the mechanical property of main strengthening material, refractory temperature and stability, finally obtain the strong absorbing material of boiler clothing compound of rapid warm raising under microwave field effect, be rapidly heated through microwave high-temperature and measure this boiler clothing absorbing material and boosting can heat up and anyly do not absorb microwave material, refractory temperature reaches 2200 DEG C, heat-up rate 100-1000 DEG C/min, induction coupling speed is fast, homogeneous temperature ± 5 DEG C, good stability is without the layer that ftractures.
Embodiment 2:
By raw material powder according to weight percent such as silicon carbide (SiC) 75wt%, aluminum oxide (Al2O3) 2wt%, zirconium white (ZrO2) 4wt%, silicon nitride (Si3N4) 7wt%, ferric oxide (FeO) 3wt%, hafnium oxide (HfO2) 6wt%, silica 1-6wt%, yttrium oxide (Y2O3) 1wt%, lanthanum sesquioxide (La2O3) 2wt% becomes solid-liquid mixture with high temperature glue Homogeneous phase mixing by mixing machine high-speed mixing, place 2 hours in atmosphere, by ready-made thermal-insulating structure or flame-retardant structure, then with hairbrush, solid-liquid mixture is sprayed on structure of refractory surface layer, thickness is that 2mm carries out 24 hours dry solidifications, material after having solidified is presintering boiler clothing material under microwave action, inner absorbing material is come unstuck and strengthens performance process, the mechanical property of main strengthening material, refractory temperature and stability, finally obtain the strong absorbing material of boiler clothing compound of rapid warm raising under microwave field effect, be rapidly heated through microwave high-temperature and measure this boiler clothing absorbing material and boosting can heat up and anyly do not absorb microwave material, refractory temperature reaches 2200 DEG C, heat-up rate 100-1000 DEG C/min, induction coupling speed is fast, homogeneous temperature ± 5 DEG C, good stability is without the layer that ftractures.
Embodiment 3:
By raw material powder according to weight percent such as silicon carbide (SiC) 90wt%, aluminum oxide (Al2O3) 4wt%, zirconium white (ZrO2) 1wt%, silicon nitride (Si3N4) 3wt%, hafnium oxide (HfO2) 1wt%, silica 1-6wt%, yttrium oxide (Y2O3) 1wt%, solid-liquid mixture is become by mixing machine high-speed mixing with high temperature glue Homogeneous phase mixing, place 3 hours in atmosphere, by ready-made thermal-insulating structure or flame-retardant structure, then with hairbrush, solid-liquid mixture is sprayed on structure of refractory surface layer, thickness is that 3mm carries out 24 hours dry solidifications, material after having solidified is presintering boiler clothing material under microwave action, inner absorbing material is come unstuck and strengthens performance process, the mechanical property of main strengthening material, refractory temperature and stability, finally obtain the strong absorbing material of boiler clothing compound of rapid warm raising under microwave field effect, be rapidly heated through microwave high-temperature and measure this boiler clothing absorbing material and boosting can heat up and anyly do not absorb microwave material, refractory temperature reaches 2200 DEG C, heat-up rate 100-600 DEG C/min, induction coupling speed is fast, homogeneous temperature ± 5 DEG C, good stability is without the layer that ftractures.
Boosting can heat up and anyly do not absorb microwave material, the required value that refractory temperature reaches a high temperature, good mechanical property through measuring this boiler clothing absorbing material, heat-up rate is fast, and induction coupling speed is fast, homogeneous temperature, good stability.
Principle: boiler clothing absorbing material, there is high dielectric loss factor at a lower temperature, the strong high-temperature induction not absorbing material to be sintered that produces of being coupled utilizing boiler clothing absorbing material and microwave make its reach can with the temperature of microwave efficient coupling, indirect induction can be played and heat the effect be rapidly heated.
(1) material of the present invention is that solid-liquid mixture can be brushed on any flame-proof thermal insulation material surface, easy construction;
(2) absorbing material heat-up rate is fast, and induction coupling reaction is fast, 100-1000 DEG C/min;
(3) can effectively improve by the production efficiency of heat temperature raising material;
(4) refractory temperature is high, can long term operation at 1500-1600 DEG C;
(5) uniform temperature fields ± 5 DEG C, good stability, high temperature does not ftracture, delamination strength is not high.
Embodiment recited above is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; do not departing under the present invention designs spiritual prerequisite; the various distortion that the common engineering technical personnel in this area make technical solution of the present invention and improvement, all should fall in protection domain that claims of the present invention determine.
Claims (6)
1. boiler clothing absorbing material, comprise silicon carbide (SiC) 50-90wt%, also comprise aluminum oxide (Al2O3) 1-5wt%, zirconium white (ZrO2) 1-6wt%, silicon nitride (Si3N4) 3-10wt%, ferric oxide (FeO) 5-15wt%, hafnium oxide (HfO2) 1-6wt%, silica 1-6wt% (yttrium oxide (Y2O3) 1-5wt%, the three kinds or more in lanthanum sesquioxide (La2O3) 2-5wt%.
2. boiler clothing absorbing material according to claim 1, is characterized in that: also comprise high temperature glue, surplus.
3. the method for making of boiler clothing absorbing material, comprises the steps:
(1) by silicon carbide (SiC) 50-90wt%, and aluminum oxide (Al2O3) 1-5wt%, zirconium white (ZrO2) 1-6wt%, silicon nitride (Si3N4) 3-10wt%, ferric oxide (FeO) 5-15wt%, hafnium oxide (HfO2) 1-6wt%, silica 1-6wt% (yttrium oxide (Y2O3) 1-5wt%, three kinds or more in lanthanum sesquioxide (La2O3) 2-5wt%, become solid-liquid mixture with high temperature glue Homogeneous phase mixing by mixing machine high-speed mixing again, place for some time in atmosphere;
(2) with hairbrush or spray gun, solid-liquid mixture is sprayed on ready-made thermal-insulating structure internal skin or structure of refractory surface layer, carries out dry solidification;
(3) material after having solidified is presintering boiler clothing absorbing material under microwave action, inner absorbing material is come unstuck and strengthens performance process.
4. the method for making of boiler clothing absorbing material according to claim 3, is characterized in that: in described step (1), storage period is 1 ~ 3 hour in atmosphere.
5. the method for making of boiler clothing absorbing material according to claim 3, is characterized in that: the dry solidification time of described step (2) is 12 ~ 24 hours.
6., according to the method for making of the arbitrary described boiler clothing absorbing material of claim 3 ~ 5, it is characterized in that: the spray layer thickness in described step (2) is 2 ~ 10mm.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106966733A (en) * | 2017-03-31 | 2017-07-21 | 顼吉君 | A kind of microwave carborundum ceramic heating element and preparation method thereof |
CN107010869A (en) * | 2017-03-31 | 2017-08-04 | 顼吉君 | A kind of microwave heat energy heating device-specific inhales ripple heating tank |
CN109181639A (en) * | 2018-09-10 | 2019-01-11 | 哈尔滨工业大学 | A kind of SiC@SiO2@ferrite high temperature Wave suction composite material and preparation method thereof |
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CN1609057A (en) * | 2004-11-12 | 2005-04-27 | 清华大学 | Fast microwave sintering process of combined silicon nitride-silicon carbide refractorg material |
CN1793039A (en) * | 2005-11-07 | 2006-06-28 | 中国科学院上海硅酸盐研究所 | Microwave absorbing composite material with silicon carbide-carbon and preparation process thereof |
CN103923601A (en) * | 2013-12-20 | 2014-07-16 | 西北工业大学 | Preparation method of structure/microwave absorbing integrated composite material |
CN104341156A (en) * | 2014-10-17 | 2015-02-11 | 西安科技大学 | Silicon carbide based composite microwave-absorbing heating body composition and preparation method thereof |
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2015
- 2015-06-17 CN CN201510334952.1A patent/CN104926330A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1609057A (en) * | 2004-11-12 | 2005-04-27 | 清华大学 | Fast microwave sintering process of combined silicon nitride-silicon carbide refractorg material |
CN1793039A (en) * | 2005-11-07 | 2006-06-28 | 中国科学院上海硅酸盐研究所 | Microwave absorbing composite material with silicon carbide-carbon and preparation process thereof |
CN103923601A (en) * | 2013-12-20 | 2014-07-16 | 西北工业大学 | Preparation method of structure/microwave absorbing integrated composite material |
CN104341156A (en) * | 2014-10-17 | 2015-02-11 | 西安科技大学 | Silicon carbide based composite microwave-absorbing heating body composition and preparation method thereof |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106966733A (en) * | 2017-03-31 | 2017-07-21 | 顼吉君 | A kind of microwave carborundum ceramic heating element and preparation method thereof |
CN107010869A (en) * | 2017-03-31 | 2017-08-04 | 顼吉君 | A kind of microwave heat energy heating device-specific inhales ripple heating tank |
CN106966733B (en) * | 2017-03-31 | 2020-08-11 | 顼吉君 | Microwave silicon carbide ceramic heating body and preparation method thereof |
CN109181639A (en) * | 2018-09-10 | 2019-01-11 | 哈尔滨工业大学 | A kind of SiC@SiO2@ferrite high temperature Wave suction composite material and preparation method thereof |
CN109181639B (en) * | 2018-09-10 | 2021-04-30 | 哈尔滨工业大学 | SiC @ SiO2@ ferrite high-temperature wave-absorbing composite material and preparation method thereof |
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